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Finding the Fourth Proportional to 507,275.55, 760,733.82 and 147,371.52

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Solution

The fourth proportional to 507,275.55, 760,733.82 and 147,371.52 is: 221,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,275.55 : 760,733.82 = 147,371.52 : x
  2. Step 2: Convert to fraction form
    507,275.55/760,733.82 = 147,371.52/x
  3. Step 3: Cross multiply
    507,275.55x = 760,733.82 × 147,371.52
  4. Step 4: Simplify right side
    507,275.55x = 112,110,499,368.81
  5. Step 5: Solve for x
    x = 112,110,499,368.81/507,275.55
  6. Step 6: Final answer
    x = 221,005.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.